Home / 4,688.76-6,470.48-2,699.70

Finding the Fourth Proportional to 4,688.76, 6,470.48 and 2,699.70

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Solution

The fourth proportional to 4,688.76, 6,470.48 and 2,699.70 is: 3,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.76 : 6,470.48 = 2,699.70 : x
  2. Step 2: Convert to fraction form
    4,688.76/6,470.48 = 2,699.70/x
  3. Step 3: Cross multiply
    4,688.76x = 6,470.48 × 2,699.70
  4. Step 4: Simplify right side
    4,688.76x = 17,468,341.36
  5. Step 5: Solve for x
    x = 17,468,341.36/4,688.76
  6. Step 6: Final answer
    x = 3,725.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.